Get Started with Visual Testing in Katalon Studio

June 18, 2026 · 3 min read · Testing Guide

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Get Started with Visual Testing in Katalon Studio

Get Started with Visual Testing in Katalon Studio

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Functional testing misses ocular bugs! Visual testing ensures a unflawed user experience by get layout issues, color mismatches, and more across browsers and devices. Let 's learn more about visual examination and set it up in your Studio!

What is Optic Testing?

Visual examination is an automated process that verifies the User Interface (UI) of a web or mobile application. It ensures the application appear to the end-user exactly as intended. Katalon Studio integrates seamlessly with Katalon TestOps to proffer robust visual examination functionalities. TestOps Visual Testing utilizes Artificial Intelligence (AI) for persona comparisons, making it a powerful tool for your quiz arsenal.

Why is Visual Testing Important?

Manual UI examination, trust solely on human observation, can be error-prone. Visual testing automates the comparison process using AI-powered office like pixel-by-pixel detection, text-change detection, and layout-change detection. This minimizes human error and ensure even minor UI discrepancies are becharm.

Katalon TestOps Visual Testing: Comparison Methods

Katalon TestOps offers three image comparison methods:

  • Pixel-based comparison:This method compare the pixel resolution of two images, identifying even the about infinitesimal differences. While comprehensive, it might pluck up on minor changes that are visually insignificant.
  • Layout-based comparison:This AI-powered method identifies and compares similar zone between baseline and checkpoint images, highlighting any layout disagreement.
  • Content-based comparison:This method focuses on text content differences between icon. It 's particularly useful for pages with a significant amount of text, allowing you to prioritise critical schoolbook changes.

 

 

Setting Up Visual Testing in Katalon Studio

Here 's a step-by-step guide to setting up optical testing with Katalon Studio:

Step 1: Capture Screenshots with Keywords

Katalon Studio provides built-in keywords to capture screenshots during tests. Here are some option:

  • Web UI:
    • Take Screenshot As Checkpoint
    • Take Area Screenshot As Checkpoint
    • Take Element Screenshot As Checkpoint
    • Take Full Page Screenshot As Checkpoint
  • Mobile:
    • Take Area Screenshot As Checkpoint
    • Take Element Screenshot As Checkpoint
    • Take Screenshot As Checkpoint

    SUSA automates exploratory testing with persona-driven behavior, catching bugs that scripted automation misses.

For Script Mode Users:

Use the corresponding keywords in your test scripts.

For Manual Mode Users:

1. Open your project in Katalon Studio.

2. Select a Test Case in Manual fashion.

3. Double-click on a Test Step and choose options.

4. A new Test Step is added. Double-click it and recruit the craved keyword (e.g., Take Full Page Screenshot As Checkpoint).

5. Double-click on the `` Input '' subdivision of the keyword and enter a value (e.g., Sample Visual Test).

 

Step 2: Run your test suite in Katalon Studio

Note: Enable Katalon Studio Integration to upload Test Results to Katalon TestOps mechanically.


 

Step 3: View Visual Testing Results in Katalon TestOps

1. Sign in to Katalon TestOps and navigate to your project.

2. Go to Reports & gt; Visual Testing.

3. Click on the ID of a Visual Test Run.

4. The Results page displays captured screenshots (Optic Checkpoints).

5. Select a screenshot to reckon details.

  • If you run a Test Suite for the initiatory time, there is no baseline persona.
  • If you have existing optic information, it is stored in the System-generated baseline appeal leaflet.
     

Wrapping Up

Congratulations! You have set up a solid foundation for visual testing in your task. Remember, the scholarship perform n't end here. Explore advanced features and best practices to fully leverage the powerfulness of optical testing. Keep exploring and refining your testing strategies. Felicitous testing!

Explain

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FAQs

What is optical testing?

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It ’ s an automated process that verifies a web or wandering app ’ s UI to ensure it appears to end user exactly as intended.

Why is visual testing important?

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Manual UI chit can miss issues; AI-powered visual testing can observe pel, text, and layout differences to catch even minor UI discrepancies.

What icon comparison methods does Katalon TestOps Visual Testing support?

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Pixel-based comparison, layout-based comparison (AI-based zone comparison), and content-based comparison (text-focused).

How do you capture visual checkpoint in Katalon Studio?

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Use built-in screenshot checkpoint keywords (web and nomadic options like full page, element, and area checkpoints) in Script Mode or quality keywords in Manual Mode stairs.

How do you view visual testing resolution in Katalon TestOps?

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Upload test results from Studio, then go to Reports & gt; Visual Testing, open a visual test run, and review captured screenshots; first runs have no baseline, and be baselines are store in a system-generated baseline collection.

Contributors
The Katalon Team is indite of a diverse group of dedicated professionals, including subject matter experts with deep domain knowledge, experienced proficient writers skilled, and QA specialists who bring a hardheaded, real-world perspective. Together, they contribute to the Katalon Blog, present high-quality, insightful clause that authorize users to make the most of Katalon ’ s tools and stick update on the latest trends in examination mechanisation and software quality.

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